Varnish



faces of substances which are ordinarily de-.

UNITED STATES PAFTENT oFFIc FERNANDO SOMOZA VIVAS, OF SAN FRANCISCO,CALIFORNIA, ASSIGNOE OF ONE. HALF TO THEODORE A. BELL, OF SAN FRANCISCO,CALIFORNIA Patented Mar. 1, 1921.

VARNISH.

1 369,858 Specification of Letters Patent;

No Drawing.

To all whomit may concern Be it known that I, FERNANDO SoMozA VIvAs,citizen of the UnitedStates, residing at San Francisco, in the county ofSan Francisco, and State of California, have invented certain new anduseful Improvements in Varnishes, of which the followin is aspecification.

y invention relates to a fire-proofing varnish or coating, and it hasfor its object the provision of a material of this character which whenapplied to the surstructible by fire will render the same incombustible.

A further object of my invention the provision of a varnish or coatingwhich will be highly weather-resisting, thus preserving the surfaces towhich .it is applied from the deleterious action ofthe elements.

A further object of my invention is the making of a fire-proofingvarnish or coating which shall be comparatively economical in cost ofproduction and at the same time highly efficient for the purpose forwhich it is designed. 1

To the above ends my in a varnish or surface coating compositioncomposed of the following enumerated insilver litharge per cent., sugarof lead invention consists Application filed August 10, 1920. Serial no.402,653.

gredients combined substantially in the proportions herelnafter setforth;

Linseed oil 25 per cent. \Yater 25 per cent. Silver litharge 25 percent. Sugar of lead 15 per cent. A tungstate 5 per cent; Boric acid 5per cent.

' stantially the relative proportions set forth:

linseed oil 25 per cent., water 25 per cent.,

15 per cent., a tungstate 5.p.er cent., and bor1c acid 5 per cent.

In testimony whereof I aflix my signature in the presence'of twowitnesses.

, FERNANDO SOMOZA VIVAS. Witnesses:

' F.'MIRIAM MEYER,

F. L. BRowNE.

